SYAHRUL, S.; KOMARUJAMAN, I. Mixing and controlling the pH of citrate and phosphate with website. Journal of Robotics and Control (JRC), [S. l.], v. 2, n. 4, p. 292–296, 2021. DOI: 10.18196/jrc.2494. Disponível em: https://journal.umy.ac.id/index.php/jrc/article/view/10051. Acesso em: 12 sep. 2025.